143313305145 has 32 divisors (see below), whose sum is σ = 233105318400. Its totient is φ = 75166237440.

The previous prime is 143313305137. The next prime is 143313305159. The reversal of 143313305145 is 541503313341.

It is not a de Polignac number, because 143313305145 - 2³ = 143313305137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6061056 + ... + 6084654.

It is an arithmetic number, because the mean of its divisors is an integer number (7284541200).

Almost surely, 2^143313305145 is an apocalyptic number.

143313305145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143313305145 is a deficient number, since it is larger than the sum of its proper divisors (89792013255).

143313305145 is a wasteful number, since it uses less digits than its factorization.

143313305145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30305.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 143313305145 its reverse (541503313341), we get a palindrome (684816618486).

The spelling of 143313305145 in words is "one hundred forty-three billion, three hundred thirteen million, three hundred five thousand, one hundred forty-five".